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French Guiana weather in January 2025
Expect 29°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in French Guiana in January. Check more long-term weather averages for French Guiana in January before you book your next holiday to French Guiana in 2025/2026.
- 2929°C max day temperature
- 4 hours of sunshine per day
- 2020 days with some rainfall
- 2323°C min night temperature
- 1212 hours of daylight per day
- HHigh heat & humidity
- 367367 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2727°C sea temperature
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The January weather guide for French Guiana, represented by Cayenne, (Cayenne) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
How hot is it in French Guiana in January?
Daytime temperatures usually reach 29°C in Cayenne, French Guiana in January with high heat and humidity, falling to 23°C at night.
How sunny is it in French Guiana in January?
There are normally 4 hours of bright sunshine each day in Cayenne, French Guiana in January - that's 34% of daylight hours.
How warm is the sea around French Guiana in January?
The average sea temperature around Cayenne, French Guiana in January is 27°C.
Does it rain in French Guiana in January?
There are usually 20 days with some rain in Cayenne, French Guiana in January and the average monthly rainfall is 367mm.
French Guiana January sunrise & sunset times
Browse the sunrise and sunset times for French Guiana in January 2025. Select a month to view French Guiana sunrise and sunset times for the next 12 months. The French Guiana sunrise and sunset times shown below are for Cayenne.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Wednesday, 1st January 2025 | 06:38 | 18:28 |
Thursday, 16th January 2025 | 06:43 | 18:35 |
Friday, 31st January 2025 | 06:45 | 18:40 |
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